Home / 167,647.47-231,352.20-91,166.58

Finding the Fourth Proportional to 167,647.47, 231,352.20 and 91,166.58

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Solution

The fourth proportional to 167,647.47, 231,352.20 and 91,166.58 is: 125,809.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,647.47 : 231,352.20 = 91,166.58 : x
  2. Step 2: Convert to fraction form
    167,647.47/231,352.20 = 91,166.58/x
  3. Step 3: Cross multiply
    167,647.47x = 231,352.20 × 91,166.58
  4. Step 4: Simplify right side
    167,647.47x = 21,091,588,849.48
  5. Step 5: Solve for x
    x = 21,091,588,849.48/167,647.47
  6. Step 6: Final answer
    x = 125,809.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.